Nie jesteś zalogowany |
Extending maps to homotopy colimits
- Prelegent(ci)
- Wojciech Lubawski
- Afiliacja
- TCS UJ
- Termin
- 29 października 2013 12:15
- Pokój
- p. 4070
- Seminarium
- Seminarium „Topologia algebraiczna”
We develop a cohomological obstruction theory for lifting maps from homotopy colimits over a fibration. We apply it to show existence of several maps BU_n -> BU_m that are not induced by homomorphisms of the underlying unitary groups.
